QUESTION 91If you need to avoid choppy speech, what is the maximum tolerable round-trip delay between two VoIP endpoints?

A. 100 msB. 200 msC. 300 msD. 400 msE. 500 msF. 800 ms

Answer: C

QUESTION 92Where does an IP phone obtain the extension number and speed-dial settings from?

A. the settings that are configured on the physical phoneB. the registration file that the phone receives from the Cisco Unified Communications ManagerC. the device and line configuration in Cisco Unified Communications Manager, during the registration processD. the default device profile that is configured in Cisco Unified Communications, Manager

Answer: C

QUESTION 93You are a network technician with many years’ experience. Many users complain that they can hear echo when their calls go out an H.323 gateway. You have made some testing for the gateway and have changed the configuration. So the ERL level turns to be 6 dB. Furthermore, the echo-cancel coverage value is raised to 64 ms. Please choose the effect on the voice quality after this modification.

A. Consonants will be chopped by the echo canceller.B. The increase in echo-cancel coverage will have no effect on voice quality.C. The ends of sentences will be chopped by the echo canceller.D. The echo canceller will take 2-3 seconds longer to converge at the beginning of the call.

Answer: D

QUESTION 94You have placed all DNs in the Phones partition. During testing you discover that you cannot place calls between IP phones, but you can place calls to the PSTN and voice mail. What is one possible cause of this issue?

A. A database replication issue is preventing calls between phones.B. An access list is blocking RTP streams in your voice VLAN.C. An access list is blocking SCCP packets in your voice VLAN.D. The IP phones have not been assigned a CSS.

Answer: D

QUESTION 95Refer to the exhibit. According to the output of the debug voip ccapi inout command, why was this call dropped?

QUESTION 97You are receiving complaints of pixilation, smearing, and pulsing of video calls between two offices that are connected by a WAN. Assuming that QoS is implemented on the WAN connection, which classification should you use to mark the video traffic, according to the Cisco QoS baseline?

QUESTION 99Cisco Unified Communications Manager is deployed in a head office and also provides telephony services to remote regional offices. What is a possible cause of call setup issues with phones in the regional offices?

QUESTION 100Refer to the exhibit. Cisco Unified Communication Manager has been configured with a SAF Security Profile and a SAF Forwarder. In which section of the R1 router configuration should the SAF Forwarder password be entered?